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Solved
7800 firmware corrupted tftp.exe recovery fails
Recently updated from V1.0.2.46 to V1.0.2.52 by downloading file and using interface to update from PC. (For some reason when using router interface the newer firmware check reported no new firmware...
I was able to restore to the 46 version. Found https://forum.openwrt.org/t/r7800-back-to-stock-firmware/13973/7 link and used TFTP.exe command line to restore after doing a reset by holding in the reset, powering on the router, then when the orange light turns white blinking released the reset button. There were several other attempts but this worked.. The tftp2.exe did not even after trying this reset method....
Hope this helps someone else....Will try the 52 version firmware when I get some time.....
I was able to restore to the 46 version. Found https://forum.openwrt.org/t/r7800-back-to-stock-firmware/13973/7 link and used TFTP.exe command line to restore after doing a reset by holding in the reset, powering on the router, then when the orange light turns white blinking released the reset button. There were several other attempts but this worked.. The tftp2.exe did not even after trying this reset method....
Hope this helps someone else....Will try the 52 version firmware when I get some time.....
For the benefit of anyone else who comes across this discussion, Netgear recently updated its TFTP advice to take on board the "command line" option.
How to upload firmware to a NETGEAR router using Windows TFTP | Answer | NETGEAR Support
Other people have also reported failure with third party TFTP utilities. Maybe Microsoft has done something to Windows to break them.
michaelkenward wrote:
For the benefit of anyone else who comes across this discussion, Netgear recently updated its TFTP advice to take on board the "command line" option.
How to upload firmware to a NETGEAR router using Windows TFTP | Answer | NETGEAR Support
Other people have also reported failure with third party TFTP utilities. Maybe Microsoft has done something to Windows to break them.
Would not be a surprise for Microsoft to break something either on purpose or by accident. I did use the tftp32 app erlier in the year, but was before the latest update, version 1803. Have used the built in tftp app as well. When you play with routers the way I do you need to have the serial cable and tftp app handy. The best router for just being nearly unbrickable is the Linksys WRT's, 1900ac, 1900acs, 3200acm as they have 2 totally separate partitions where the firmware is loaded so you always have a active and inactive partition. A update goes into the inactive and when the router reboots comes up on the new installed firmware. Should there be an issue you can easily switch back to the good partition with a on/off sequence. You really have to work hard to brick them. On the other hand I have bricked the r8000 I own and had to open it to recover. Bought off of Ebay so no warranty to worry about. ;) In fact I need to break it open to get it going again as it is needing tender loving care again. Since it is a on the shelf, there if issue with main router, no big hurry.
> For the benefit of anyone else who comes across this discussion, [...]
Thanks for reposting a link to a KB article which was already posted
above. I'm sure that that will be very helpful (to a subset of
inattentive readers).
> Other people have also reported failure with third party TFTP
> utilities. Maybe Microsoft has done something to Windows to break them.
More likely, it was the Illuminati or the Freemasons. Or, on your
particular Ship of Fools, perhaps, the bicycle riders. Of course, I
suppose that there could be some actual problem with a third-party TFTP
utility, or the way in which it was used. Nah. It must be the bicycle
riders, because Microsoft employs many of them, and they'd certainly
want to break third-party TFTP utilities, to avoid the loss of income
they would suffer from competition with their own TFTP client program.
Yow.
